Fix errors that were preventing collectstatic from running

lms/static/css/course/old/marketing-ie.css

-body {
-  margin: 0;
-  padding: 0; }
-
-.wrapper, .subpage, section.copyright, section.tos, section.privacy-policy, section.honor-code, header.announcement div, section.index-content, footer {
-  margin: 0;
-  overflow: hidden; }
-
-div#enroll form {
-  display: none; }